Olympics: Simone Manuel's gold medal shows significanceSix-time Olympic medalist Jackie Joyner-Kersee explains the significance of Simone Manuel's gold medal victory at the Rio Olympics.SI Staff|Share on FacebookShare on XAdd us on Six-time Olympic medalist Jackie Joyner-Kersee explains the significance of Simone Manuel's gold medal victory at the Rio Olympics.Published Sep 19, 2016 | Modified Sep 19, 2016SI STAFFShare on FacebookShare on XHome/Olympics